package io.datajek.springbasics.movierecommendersystem.lesson9;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;


@Component
public class ContentBasedFilter implements Filter {

    //用于计数创建的实例

    private static int instances = 0;
    @Autowired
    private Movie movie;

    public ContentBasedFilter(Movie movie) {
        super();
        instances++;
        this.movie = movie;
        System.out.println("ContentBasedFilter constructor called");
    }

    public Movie getMovie() {
        return movie;
    }

    public static int getInstances() {
        return ContentBasedFilter.instances;

    }
//getRecommendations将作为一部电影作为输入，并返回类似电影的列表
    public String[] getRecommendations(String movie) {
       //计算电影之间的相似度
        //返回电影推荐
        return new String[]{"Happy Feet", "Ice Age", "Shark Tale"};

    }
        }